12393412 has 18 divisors (see below), whose sum is σ = 22676318. Its totient is φ = 5926272.

The previous prime is 12393401. The next prime is 12393413. The reversal of 12393412 is 21439321.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 171396 = 3496^2 + 414^2 .

It is a super-2 number, since 2×12393412² = 307193322003488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12393413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813 + ... + 5044.

Almost surely, 2^12393412 is an apocalyptic number.

It is an amenable number.

12393412 is a deficient number, since it is larger than the sum of its proper divisors (10282906).

12393412 is a wasteful number, since it uses less digits than its factorization.

12393412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907 (or 5882 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 12393412 is about 3520.4278149111. The cubic root of 12393412 is about 231.4179075656.

The spelling of 12393412 in words is "twelve million, three hundred ninety-three thousand, four hundred twelve".